nitrous jetting

[longjeeper]

i have a few jets but they dont fit the jetting chart for our cars, and i am waiting for the other jets to come, but i wanted to give the nitrous a try. right now i have a 40, a 36, a 21 and a 19 my question is which combination should i run while waiting for the other jets? thanks

[Cypher]

you found the chart dave had for our cars? i'd post that up because i'm not searching for it to give you an opinion

[longjeeper]

here are the jet sizes corresponding to hp and this is the recalculated values for our cars, as you can see the jets that i have really dont fit any of the prescribed combinations, i can make a 40n-21f combination and a 36n-19f combination, thanks

43n-25f=80 shot
42n-24f=75 shot
41n-23f=70 shot
40n-22f=65 shot
39n-21f=60 shot
38n-20f=55 shot
37n-19f=50 shot

[accentgt]

The jet sizes u mension is that in inches or what size drill bit would I need if I was drilling a blank jet.We use millimeters in South Africa

[Estopatitiana]

im not sure but yeah, i think its in inches because on the jets they have decimal points before the numbers, i might be wrong though. cape town eh? have you ever seen the great whites around seal island?

[longjeeper]

umm it should be inches but when talking about the jet sizing it it in the thousandths of an inch for example if you want a 65 shot you woukd run a 40nitrous and 22fuel, in inches that would be a .040 of an inch for the nitrous and .022 of an inch for the fuel, so finding a drill bit that size would be a very big task, thats why you just buy the jets unless you have a CNC machine in your garage....

[tharptroy]

seems like the obvious answer would be 36 nitrous, 19 fuel for a "45ish shot"

you'll be a tad bit rich according to the chart, but its better to be rich than lean!!!

[2loud2k2xd]

deffinately check out the nitrous jetting chart fordfasterr and myself put together. they are dead on for our rich cars.

dave